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Add a storage-provisioner-gluster addon #3521

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merged 3 commits into from
Jan 16, 2019

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nixpanic
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@nixpanic nixpanic commented Jan 9, 2019

This addon makes it easy for users to deploy Gluster with dynamic provisioning. A simple

$ minikube addons enable storage-provisioner-gluster

is sufficient to get the required Pods and StorageClass.

The included README.md explains a little more how things work and how users can use the PVCs that get dynamically created for the user.

The 2nd and 3rd patches in this PR make the last enabled storage addon the default StorageClass. That means if storage-provisioner-gluster is enabled as last, the existing StorageClasses will have their is-default annotation set to false, and for storage-provisioner-gluster it is set to true. The same counts for other orders in enabling.

With this addon dynamic provisioning based on Gluster can be enabled:

    $ minikube addons enable storage-provisioner-gluster

This will deploy several pods in a new 'storage-gluster' namespace:

 - glusterfs, storage service with a 10GB sparse /srv/fake-disk.img
 - heketi, a smart Gluster volume manager
 - glusterfile-provisioner, external-storage provisioner

In addition, the StorageClass 'glusterfile' will be created. It is
currently not configured as default StorageClass, so PVCs need to refer
to the new StorageClass.
…-default

There can only be one StorageClass be marked as default. When the
storage-provisioner-gluster addon is enabled, users expect it to be the
default StorageClass.

Instead of removing the "is-default" annotation from the other
StorageClasses, set it to "false". This leaves only the "glusterfile"
StorageClass as "is-default".
When a storage provider is enabled (storage-provisioner-glusterfile),
mark it "is-default" and set "is-default" to "false" in all other
StorageClasses.
@k8s-ci-robot k8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Jan 9, 2019
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Can one of the admins verify this patch?

@tstromberg
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@minikube-bot OK to test

@tstromberg tstromberg added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jan 14, 2019
@tstromberg tstromberg merged commit 8bc8816 into kubernetes:master Jan 16, 2019
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nixpanic, tstromberg

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jan 16, 2019
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4 participants